A group of diseases characterized by uncontrolled cell division. A disorder in which cells produce a localized tumor. A disorder in which tissues of the body are replaced by nonfunctional cells. All of these. None of these.
The United States country code 1 will allow you to call United States from another country. United States telephone code 1 is dialed after the IDD. United States international dialing 1 is followed by an area code. The United States area code table below shows the various city codes for United States.
Steps. 1  1. Dial 00. This is the exit code that signals to your telephone provider that you're about to make an international call. 2  2. Dial 1. This is the United States country code. 3  3. Dial the 3-digit area code. All US area codes are three digits long and are most likely included when phone numbers are displayed or given.